1. Reduce risk: Long-term light warehouse trading strategy can reduce trading risk. Because of the light warehouse trading, traders can take greater risks even under the unfavorable market conditions, thus avoiding huge losses due to heavy warehouse trading.

2. Stable profit: the long-term light warehouse trading strategy focuses on long-term profit rather than short-term profiteering. Through reasonable trading plan and risk management, traders can obtain stable profits in the market and avoid losses caused by excessive trading or blindly chasing up and down.